diff options
Diffstat (limited to 'arch/powerpc/platforms/85xx/qemu_e500.c')
| -rw-r--r-- | arch/powerpc/platforms/85xx/qemu_e500.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/85xx/qemu_e500.c b/arch/powerpc/platforms/85xx/qemu_e500.c index 5cefc5a..4677463 100644 --- a/arch/powerpc/platforms/85xx/qemu_e500.c +++ b/arch/powerpc/platforms/85xx/qemu_e500.c @@ -26,6 +26,17 @@ #include "smp.h" #include "mpc85xx.h" +/* + * Flag to indicate a qemu emulated PCI controller. + * This flag would be checked in the fsl PCI controller + * driver code, while setting the inbound windows. In + * case of identity mapped memory (1:1 guest physical to + * host physical) this would allow the inbound window + * to map till end of DDR memory, in case the address + * is not power of 2 aligned. + */ +unsigned int qemu_e500_pci; + void __init qemu_e500_pic_init(void) { struct mpic *mpic; @@ -45,6 +56,8 @@ static void __init qemu_e500_setup_arch(void) fsl_pci_assign_primary(); swiotlb_detect_4g(); mpc85xx_smp_init(); + + qemu_e500_pci = 1; } /* |